AM_2(H3AsO4)H2O
Formula: As2 (O9 H8)
Name: 2(H3AsO4).H2O
Unit cell: 7.6 13.29 8.24 90.0 109.6 90.0 , V=784.05
Space group: P121/C1 (14)

Worzala H , Acta Crystallographica, Section B , 24 (1968) p.987-991, Die kristallstruktur des arsensaurehydrates 2H3AsO4.H2O